Pityriasis (Tinea) versicolor is a fungal infection caused by Malassezia furfur. It is benign, superficial, and localized to the stratum corneum.
It may present as chronic or recurrent infection and may occur in healthy individuals.
It is more common in summer than winter months.
It presents with multiple well-demarcated macules or patches and finely scaled plaques with hypopigmentation or hyperpigmentation, hence the term "versicolor".
Lesions are usually found on the upper trunk, chest, back and shoulders, and may extend toward the neck, face and arms.

Other topical agents such as Whitfield ointment, Sulfur-Salicylic acid shampoo, Propylene glycol, & Benzoyl peroxide may be considered but patient should be informed about possible adverse effects prior to use

Topical application is proven effective when used twice daily for 2 weeks

Terbinafine

Efficacy of topical application is comparable & may even surpass effect of imidazoles against tinea infections

Selenium sulfide & Zinc pyrithione

Proven to be effective & safe; inexpensive for 1st-line therapy

May be used as maintenance regimen (apply on the 1st and 3rd day of each month and leave on for 5 minutes before rinsing)

Imidazoles

Highly effective, safe & fairly inexpensive

Combined steroid/imidazole agents

High-potency steroid combination is not indicated for treating Pityriasis (tinea) versicolor due to the absence of significant inflammation in this condition & the potential of the steroid component to induce atrophy

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